Long-term study of recurrent vasospastic angina using coronary angiograms during ergonovine provocation tests

Yukio Ozaki, Fumimaro Takatsu, Junichi Osugi, Munetaka Sugiishi, Masato Watarai, Takafumi Anno, Junji Toyama

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Chronologic changes of coronary spasm were examined by repeated ergonovine provocation tests during angiography. A total of 322 patients who had variant angina without severe atherosclerosis demonstrated a positive response to the first test. Ninety of these patients had recurrent variant anginal symptoms after an angina-free period of 38 ± 12 months (mean ± SD). Of these 90 patients, 76 (84%) had symptoms or electrocardiographic (ECG) findings similar to those of the first test. The initial 9 of these 76 patients underwent a second provocation test and showed coronary responses analogous to those on the first test. Of the 90 patients, 14 (16%) had different symptoms or ECG findings from those elicited at the first episode. All 14 patients again had a positive response to a second ergonovine test and the following angiographic changes were observed in the three major vessels between the two tests. Of the 21 vessels that had spasm on the first test, eight vessels (19%) did not have spasm on the second test. Of the 21 vessels that did not demonstrate spasm on the first test, 10 (24%) demonstrated spasm on the second test. In the present study it is concluded that the majority of patients with recurrent angina seemed to have consistency in the location of coronary spasm, while in some patients the fluctuation of coronary spasm was confirmed by two ergonovine provocation tests.

Original languageEnglish
Pages (from-to)1191-1198
Number of pages8
JournalAmerican Heart Journal
Volume123
Issue number5
DOIs
Publication statusPublished - 01-01-1992
Externally publishedYes

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Ergonovine
Spasm
Angiography
Atherosclerosis

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

Cite this

Ozaki, Yukio ; Takatsu, Fumimaro ; Osugi, Junichi ; Sugiishi, Munetaka ; Watarai, Masato ; Anno, Takafumi ; Toyama, Junji. / Long-term study of recurrent vasospastic angina using coronary angiograms during ergonovine provocation tests. In: American Heart Journal. 1992 ; Vol. 123, No. 5. pp. 1191-1198.
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Long-term study of recurrent vasospastic angina using coronary angiograms during ergonovine provocation tests. / Ozaki, Yukio; Takatsu, Fumimaro; Osugi, Junichi; Sugiishi, Munetaka; Watarai, Masato; Anno, Takafumi; Toyama, Junji.

In: American Heart Journal, Vol. 123, No. 5, 01.01.1992, p. 1191-1198.

Research output: Contribution to journalArticle

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